Fluke 1760
Power Quality Recorder, 3-Phase

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Product Overview

The Fluke 1760 Three-Phase Power Quality Recorder is fully compliant to IEC 61000-4-30 Class-A, for advanced power quality analysis and consistent compliance testing. Designed for analysis of utility and industrial power distribution systems, in medium- and low-voltage networks, this power quality monitor provides the flexibility to customize thresholds, algorithms, and measurement selections. The 1760 power recorder captures the most comprehensive details on user-selected parameters.

Applications of the Fluke 1760 Power Quality Recorder include:

Detailed disturbance analysis – Perform high-speed transient analysis and uncover root cause of equipment malfunction for later mitigation and predictive maintenance. The fast transient option, with its 6000 V measurement range, allows capture of very short impulses such as lightning strikes.

Class-A quality-of-service compliance – Validate incoming power quality at the service entrance. Thanks to Class A compliance, the Fluke 1760 allows undisputable verification.

Event correlation at multiple locations – Utilizing GPS time synchronization, users can quickly detect where a fault occurred first, either inside or outside the facility.

Event correlation at multiple locations – Utilizing GPS time synchronization, users can quickly detect where a fault occurred first, either inside or outside the facility.

Galvanic separation and DC coupling – Allows complete measurements on dissimilar power systems. For example troubleshoot UPS systems by simultaneously recording the battery voltage and power output.

Power quality and power load studies – Assess baseline power quality to validate compatibility with critical systems before installation and verify electrical system capacity before adding loads.

Features of the Fluke 1760 3-Phase Power Quality Recorder include:

• Fully Class-A compliant: Conduct tests according to the stringent international IEC 61000-4-30 Class-A standard
• GPS time synchronization: Correlate data with events or datasets from other instruments with precision
• Flexible and fully configurable thresholds and scale factors: Allows user to pinpoint specific issues by defining the detailed criteria for detection and recording of disturbances.
• Uninterrupted power supply (40 minutes): Never miss important events - even record the beginning and end of interruptions and outages to help determine the cause
• 10 MHz, 6000 Vpk waveform capture: Get a detailed picture of even the shortest event
• 2 GB data memory: Enables detailed, simultaneous recording of numerous power parameters for long periods of time
• Comprehensive software included: Provides trend diagrams for root cause analysis, statistical summaries, report writing and real-time data monitoring in the online mode
• Plug and play: Allows quick setup with automatic sensor detection; sensors are instrument powered, eliminating the need for batteries
• Rugged field design: Insulated housing and a solid state design with no rotating components enable reliable testing under nearly any conditions

Specifications of the Fluke 1760 include:

• Statistical Evaluation: Power quality statistics according to EN50160 and DISDIP tables like ITIC, CEBEMA, ANSI
• Continuous Recording: Fluke 1760 records rms values together with corresponding minimum and maximum values for:
  • Voltage
  • Current
  • Power P, Q, S
  • Power Factor
  • kWh
  • Flicker
  • Unbalance
  • Frequency
  • Harmonics/Interharmonics
    • continuously with the following time aggregations:
      • Day 10 min Free Interval, e.g.: 15 min, 2h
• Triggered Recordings:
  • rms: Aggregation time is adjustable between 10 ms (1/2 cycle), 20ms (1 cycle), 200ms (10/12 cycles) or 3 sec (150/180 cycles).
    • Calculating rms values, Harmonics and Interharmonics is performed synchronous to the power frequency. Basic aggregation for harmonics and interharmonics is 200ms
  • Oscilloscope: Sample rate is 10.24 kHz for all 8 channels
  • Fast Transients: Sample rate is selectable from 100 kHz to 10 MHz for channel 1-4 FFT of Fast Transients
• Mains Signalling: Phases and N-conductor, Voltage and current
• Online Mode: Variable refresh rate. This feature allows verification of instrument set up and delivers a quick overview of oscilloscope, transients and events.
• 2 GB Flash Drive
• Interfaces: Ethernet (100MB/s), compatible to Windows® 98/ME/NT/2000/XP RS 232, external modem via RS 232
• Signalling Conditioning:
  • Range for 50 Hz systems: 50 Hz ± 15 % (42.5 Hz to 57.5 Hz)
  • Range for 60 Hz systems: 60 Hz ± 15 % (51 Hz to 69 Hz)
  • Resolution: 16 ppm
  • Sampling frequency for 50 Hz power frequency: 10.24 kHz, The sampling rate is synchronized to mains frequency.
  • Measurement intervals: Aggregation of the interval values as per IEC 61000-4-30 Class-A
    • Min-, Max-values: Half cycle, e.g.: 10 ms rms values at 50Hz
    • Transients: Sample rate 100 kHz to 10 MHz per channel
  • Harmonics as per IEC 61000-4-7:2002: 200 ms
  • Flicker as per EN 61000-4-15:2003: 10 min (Pst), 2 h
• Measurement Inputs
  • Number of inputs: 8 galvanically isolated inputs for voltage and current measurements.
  • Sensor safety: up to 600 V CAT IV depending on sensor
  • Basic safety: 300 V CAT III
  • Nominal voltage (rms): 100 mV
  • Range (peak value): 280 mV
  • Overload capacity (rms): 1000 V, continuously
  • Voltage rise rate: max. 15 kV / µs
  • Input resistance: 1 MO
  • Input capacitance: 5 pF
  • Input filter: Each channel is equipped with a passive low-pass filter, an anti-aliasing filter and a 16-bit A/D converter. All channels are sampled synchronously with a common quartz-controlled clock pulse. The filters protect against voltage transients and limit the signal rise rate, reduce high frequency components and especially the noise voltage above half the sampling rate of the A/D converter by 80 dB, thus achieving very small measuring errors in an exceptionally large amplitude range. This is also valid under extreme operating conditions like transient voltages at the output of converters.
• Uncertainty at reference conditions: Uncertainty including the voltage sensors is in compliance with IEC 61000-4-30 Class-A. All voltage sensors are suitable for DC up to 5 kHz
  • With Sensor 1000 V: 0,1% at Udin = 480 V and 600 V P-N
  • Sensor 600 V: 0,1% at Udin = 230 V P-N
• Intrinsic uncertainty for harmonics: Class I as per EN 61000-4-7:2002
• Reference conditions: 23 °C ± 2 K 3h Power supply: 100 V to 250 V ac
• Temperature drift: 100 ppm / K
• Aging: < 0.05 % / year
• Common mode rejection :> 100 dB at 50 Hz
• Temperature drift: Change of amplification through temperature: < 0.005 %/K
• Aging: Change of amplification due to ageing: < 0.04 %/year
• Noise: Noise voltage, input short-circuited: < 40 µV
• DC: ± (0.2% rdg + 0.1% sensor)